Metamorphic rock is not formed from A. erosion
Answer:
This question can be answered by using conversation of energy.
Explanation:
Note that we take 
because we are looking for the minimum initial speed for the penguin to reach the top of the second hill. Any other speed more than this will already be enough for him.
Answer:
he tension in an elevator cable is 10,000 N. The elevator itself has a mass of 500 kg.
Explanation:
Currents of dry sinking air cause the dry conditions of earth's major deserts at: <span>30° N and 30° S Latitudes
At approximately 30 degrees from the equator, the air that moved up from the equator started to descends. This air, however, could only come from one direction. So when the air is blocked by a mountain, the other side will not receive any water that it contains. This makes the other sides of the mountain became really dry which will eventually cause the formation of the desert.</span>
Answer:
Explanation:
Given
Lawn mover running for 
and does 
We know Power is rate of work i.e.
Thus Power output is
